/*
 FSImpl.h - base file system interface
 Copyright (c) 2015 Ivan Grokhotkov. All rights reserved.
 This file is part of the esp8266 core for Arduino environment.

 This library is free software; you can redistribute it and/or
 modify it under the terms of the GNU Lesser General Public
 License as published by the Free Software Foundation; either
 version 2.1 of the License, or (at your option) any later version.

 This library is distributed in the hope that it will be useful,
 but WITHOUT ANY WARRANTY; without even the implied warranty of
 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 Lesser General Public License for more details.

 You should have received a copy of the GNU Lesser General Public
 License along with this library; if not, write to the Free Software
 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
 */
#ifndef FSIMPL_H
#define FSIMPL_H

#include <stddef.h>
#include <stdint.h>

namespace fs {

    class FileImpl {
    public:
        virtual ~FileImpl() {}
        virtual size_t      write(const uint8_t* buf, size_t size) = 0;
        virtual size_t      read(uint8_t* buf, size_t size)        = 0;
        virtual void        flush()                                = 0;
        virtual bool        seek(uint32_t pos, SeekMode mode)      = 0;
        virtual size_t      position() const                       = 0;
        virtual size_t      size() const                           = 0;
        virtual void        close()                                = 0;
        virtual time_t      getLastWrite()                         = 0;
        virtual const char* path() const                           = 0;
        virtual const char* name() const                           = 0;
        virtual bool        isDirectory(void)                      = 0;
        virtual FileImplPtr openNextFile(const char* mode)         = 0;
        virtual void        rewindDirectory(void)                  = 0;
        virtual             operator bool()                        = 0;
    };

    class FSImpl {
    protected:
        const char* _mountpoint;

    public:
        FSImpl() : _mountpoint(NULL) {}
        virtual ~FSImpl() {}
        virtual FileImplPtr open(const char* path, const char* mode)         = 0;
        virtual bool        exists(const char* path)                         = 0;
        virtual bool        rename(const char* pathFrom, const char* pathTo) = 0;
        virtual bool        remove(const char* path)                         = 0;
        virtual bool        mkdir(const char* path)                          = 0;
        virtual bool        rmdir(const char* path)                          = 0;
        void                mountpoint(const char*);
        const char*         mountpoint();
    };

}  // namespace fs

#endif  //FSIMPL_H
